[chore] Update gorilla/websocket (#3561)

The maintainers messed with the v1.5.2 tag which causes Go checksum
validation problems as the Go module proxy saw and recorded the original
hash.

This updates to 1.5.3 which doesn't have the issue.

1 files changed, 0 insertions, 317 deletions

diff --git a/vendor/golang.org/x/net/internal/socks/socks.go b/vendor/golang.org/x/net/internal/socks/socks.go
deleted file mode 100644
index 84fcc32b6..000000000
--- a/vendor/golang.org/x/net/internal/socks/socks.go
+++ /dev/null
@@ -1,317 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package socks provides a SOCKS version 5 client implementation.
-//
-// SOCKS protocol version 5 is defined in RFC 1928.
-// Username/Password authentication for SOCKS version 5 is defined in
-// RFC 1929.
-package socks
-
-import (
-	"context"
-	"errors"
-	"io"
-	"net"
-	"strconv"
-)
-
-// A Command represents a SOCKS command.
-type Command int
-
-func (cmd Command) String() string {
-	switch cmd {
-	case CmdConnect:
-		return "socks connect"
-	case cmdBind:
-		return "socks bind"
-	default:
-		return "socks " + strconv.Itoa(int(cmd))
-	}
-}
-
-// An AuthMethod represents a SOCKS authentication method.
-type AuthMethod int
-
-// A Reply represents a SOCKS command reply code.
-type Reply int
-
-func (code Reply) String() string {
-	switch code {
-	case StatusSucceeded:
-		return "succeeded"
-	case 0x01:
-		return "general SOCKS server failure"
-	case 0x02:
-		return "connection not allowed by ruleset"
-	case 0x03:
-		return "network unreachable"
-	case 0x04:
-		return "host unreachable"
-	case 0x05:
-		return "connection refused"
-	case 0x06:
-		return "TTL expired"
-	case 0x07:
-		return "command not supported"
-	case 0x08:
-		return "address type not supported"
-	default:
-		return "unknown code: " + strconv.Itoa(int(code))
-	}
-}
-
-// Wire protocol constants.
-const (
-	Version5 = 0x05
-
-	AddrTypeIPv4 = 0x01
-	AddrTypeFQDN = 0x03
-	AddrTypeIPv6 = 0x04
-
-	CmdConnect Command = 0x01 // establishes an active-open forward proxy connection
-	cmdBind    Command = 0x02 // establishes a passive-open forward proxy connection
-
-	AuthMethodNotRequired         AuthMethod = 0x00 // no authentication required
-	AuthMethodUsernamePassword    AuthMethod = 0x02 // use username/password
-	AuthMethodNoAcceptableMethods AuthMethod = 0xff // no acceptable authentication methods
-
-	StatusSucceeded Reply = 0x00
-)
-
-// An Addr represents a SOCKS-specific address.
-// Either Name or IP is used exclusively.
-type Addr struct {
-	Name string // fully-qualified domain name
-	IP   net.IP
-	Port int
-}
-
-func (a *Addr) Network() string { return "socks" }
-
-func (a *Addr) String() string {
-	if a == nil {
-		return "<nil>"
-	}
-	port := strconv.Itoa(a.Port)
-	if a.IP == nil {
-		return net.JoinHostPort(a.Name, port)
-	}
-	return net.JoinHostPort(a.IP.String(), port)
-}
-
-// A Conn represents a forward proxy connection.
-type Conn struct {
-	net.Conn
-
-	boundAddr net.Addr
-}
-
-// BoundAddr returns the address assigned by the proxy server for
-// connecting to the command target address from the proxy server.
-func (c *Conn) BoundAddr() net.Addr {
-	if c == nil {
-		return nil
-	}
-	return c.boundAddr
-}
-
-// A Dialer holds SOCKS-specific options.
-type Dialer struct {
-	cmd          Command // either CmdConnect or cmdBind
-	proxyNetwork string  // network between a proxy server and a client
-	proxyAddress string  // proxy server address
-
-	// ProxyDial specifies the optional dial function for
-	// establishing the transport connection.
-	ProxyDial func(context.Context, string, string) (net.Conn, error)
-
-	// AuthMethods specifies the list of request authentication
-	// methods.
-	// If empty, SOCKS client requests only AuthMethodNotRequired.
-	AuthMethods []AuthMethod
-
-	// Authenticate specifies the optional authentication
-	// function. It must be non-nil when AuthMethods is not empty.
-	// It must return an error when the authentication is failed.
-	Authenticate func(context.Context, io.ReadWriter, AuthMethod) error
-}
-
-// DialContext connects to the provided address on the provided
-// network.
-//
-// The returned error value may be a net.OpError. When the Op field of
-// net.OpError contains "socks", the Source field contains a proxy
-// server address and the Addr field contains a command target
-// address.
-//
-// See func Dial of the net package of standard library for a
-// description of the network and address parameters.
-func (d *Dialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
-	if err := d.validateTarget(network, address); err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	if ctx == nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: errors.New("nil context")}
-	}
-	var err error
-	var c net.Conn
-	if d.ProxyDial != nil {
-		c, err = d.ProxyDial(ctx, d.proxyNetwork, d.proxyAddress)
-	} else {
-		var dd net.Dialer
-		c, err = dd.DialContext(ctx, d.proxyNetwork, d.proxyAddress)
-	}
-	if err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	a, err := d.connect(ctx, c, address)
-	if err != nil {
-		c.Close()
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	return &Conn{Conn: c, boundAddr: a}, nil
-}
-
-// DialWithConn initiates a connection from SOCKS server to the target
-// network and address using the connection c that is already
-// connected to the SOCKS server.
-//
-// It returns the connection's local address assigned by the SOCKS
-// server.
-func (d *Dialer) DialWithConn(ctx context.Context, c net.Conn, network, address string) (net.Addr, error) {
-	if err := d.validateTarget(network, address); err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	if ctx == nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: errors.New("nil context")}
-	}
-	a, err := d.connect(ctx, c, address)
-	if err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	return a, nil
-}
-
-// Dial connects to the provided address on the provided network.
-//
-// Unlike DialContext, it returns a raw transport connection instead
-// of a forward proxy connection.
-//
-// Deprecated: Use DialContext or DialWithConn instead.
-func (d *Dialer) Dial(network, address string) (net.Conn, error) {
-	if err := d.validateTarget(network, address); err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	var err error
-	var c net.Conn
-	if d.ProxyDial != nil {
-		c, err = d.ProxyDial(context.Background(), d.proxyNetwork, d.proxyAddress)
-	} else {
-		c, err = net.Dial(d.proxyNetwork, d.proxyAddress)
-	}
-	if err != nil {
-		proxy, dst, _ := d.pathAddrs(address)
-		return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
-	}
-	if _, err := d.DialWithConn(context.Background(), c, network, address); err != nil {
-		c.Close()
-		return nil, err
-	}
-	return c, nil
-}
-
-func (d *Dialer) validateTarget(network, address string) error {
-	switch network {
-	case "tcp", "tcp6", "tcp4":
-	default:
-		return errors.New("network not implemented")
-	}
-	switch d.cmd {
-	case CmdConnect, cmdBind:
-	default:
-		return errors.New("command not implemented")
-	}
-	return nil
-}
-
-func (d *Dialer) pathAddrs(address string) (proxy, dst net.Addr, err error) {
-	for i, s := range []string{d.proxyAddress, address} {
-		host, port, err := splitHostPort(s)
-		if err != nil {
-			return nil, nil, err
-		}
-		a := &Addr{Port: port}
-		a.IP = net.ParseIP(host)
-		if a.IP == nil {
-			a.Name = host
-		}
-		if i == 0 {
-			proxy = a
-		} else {
-			dst = a
-		}
-	}
-	return
-}
-
-// NewDialer returns a new Dialer that dials through the provided
-// proxy server's network and address.
-func NewDialer(network, address string) *Dialer {
-	return &Dialer{proxyNetwork: network, proxyAddress: address, cmd: CmdConnect}
-}
-
-const (
-	authUsernamePasswordVersion = 0x01
-	authStatusSucceeded         = 0x00
-)
-
-// UsernamePassword are the credentials for the username/password
-// authentication method.
-type UsernamePassword struct {
-	Username string
-	Password string
-}
-
-// Authenticate authenticates a pair of username and password with the
-// proxy server.
-func (up *UsernamePassword) Authenticate(ctx context.Context, rw io.ReadWriter, auth AuthMethod) error {
-	switch auth {
-	case AuthMethodNotRequired:
-		return nil
-	case AuthMethodUsernamePassword:
-		if len(up.Username) == 0 || len(up.Username) > 255 || len(up.Password) > 255 {
-			return errors.New("invalid username/password")
-		}
-		b := []byte{authUsernamePasswordVersion}
-		b = append(b, byte(len(up.Username)))
-		b = append(b, up.Username...)
-		b = append(b, byte(len(up.Password)))
-		b = append(b, up.Password...)
-		// TODO(mikio): handle IO deadlines and cancelation if
-		// necessary
-		if _, err := rw.Write(b); err != nil {
-			return err
-		}
-		if _, err := io.ReadFull(rw, b[:2]); err != nil {
-			return err
-		}
-		if b[0] != authUsernamePasswordVersion {
-			return errors.New("invalid username/password version")
-		}
-		if b[1] != authStatusSucceeded {
-			return errors.New("username/password authentication failed")
-		}
-		return nil
-	}
-	return errors.New("unsupported authentication method " + strconv.Itoa(int(auth)))
-}